Factors affecting the tribological performance of three resin bonded solid lubricant films

Jen Fin Lin, Yeong Yan Guu

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

A ball-on-disk adapter was employed to simulate the point contacts arising at the disk specimens with a thin layer of solid lubricant film. The disk specimens were prepared by various surface treatment methods on the substrates. Other factors affecting the properties of the lubricant films are the coating materials and the thickness of the solid lubricant films. These factors are believed to have an impact on the friction coefficient and are investigated from experiments. The experimental results reveal that the lowest friction coefficient exists in the film which is neither too thick nor too thin. The tests for the specimens with the molybdenum disulphide or the molybdenum disulphide+graphite film show that a film too thin or too thick isn't beneficial to the wear life. On the other hand, the coating film with the polytetrafluoroethylene shows the wear life is almost linearly proportional to the film thickness. For all three lubricant films, a higher friction coefficient is often accompanied with an elevation in wear coefficient. The specimens with the polytetrafluoroethylene film show the smallest friction coefficient and the lowest wear coefficient among the three solid lubricants under the same load.

Original languageEnglish
Pages (from-to)601-609
Number of pages9
JournalTribology Transactions
Volume42
Issue number3
DOIs
Publication statusPublished - 1999 Jan 1

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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